Geology Review Ch. 1

Front 1

The primary source of energy for the earth's atmosphere is

Back 1

The sun

Front 2

In a volume of air near the earth's surface, ____ occupies 78 % and ____ nearly 21%

Back 2

Nitrogen, Oxygen

Front 3

Which of the following is considered a variable gas in the earth's atmosphere

Back 3

water vapor

Front 4

Water vapor

Back 4

is invisible

Front 5

typically, water vapor occupies about what percentage of the air's volume near the earth's surface?

Back 5

less than 4%

Front 6

The only substance near the earth's surface that is found naturally in the environment in the atmosphere is a solid, liquid and a gas is

Back 6

water

Front 7

Since the turn of this century, CO2 in the atmosphere has

Back 7

been increasing in concentration

Front 8

the primary source of oxygen for the earth's atmosphere during the past half billion years or so appears to be

Back 8

photosynthesis

Front 9

___ holds a planet's atmosphere close to its surface.

Back 9

Gravity

Front 10

Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly

Back 10

50% of the air molecules in the atmosphere

Front 11

The unit of pressure most commonly found on a surface weather map is

Back 11

millibars or hectopascals

Front 12

The planet with a strong greenhouse effect, whose surface temperature averages 480 degrees Celcius (or 900 Farenheit) is

Back 12

Venus

Front 13

The earth's atmosphere is divided into layers based on the vertical profile of

Back 13

air temperature

Front 14

Almost all of the earth's weather occurs in the

Back 14

troposphere

Front 15

The most abundant gas in the stratosphere is

Back 15

Nitrogen (N2)

Front 16

In a temperature inversion

Back 16

air temperature decreases with increasing height.

Front 17

The rate at which temperature decreases altitude is known as the

Back 17

lapse rate.

Front 18

Most of the ionosphere is found in what atmospheric layer

Back 18

thermosphere

Front 19

What altitude belt best describes the middle latitudes?

Back 19

30 to 50 degrees

Front 20

The word "weather" is defined as

Back 20

the condition of the atmosphere at a particular time and place.

Front 21

the middle latitudes of the Northern Hemisphere, surface winds tend to blow ___ and ___ around an area of surface low pressure.

Back 21

counterclockwise; inward

Front 22

The difference in altitude (i.e. the thickness) is greatest in the layer bounded by

Back 22

1 mb and 10 mb

Front 23

Which of the following is MOST likely associated with fair weather?

Back 23

high pressure area

Front 24

Which relates to weather rather than climate?

Back 24

Outside it is cloudy and snowing

Front 25

At the 500 mb level, the amount of oxygen inhaled in a single breath is ___ of that inhaled at sea-level

Back 25

about 1/2

Front 26

The ozone hole is an actual hole int he atmosphere, a region of complete vacuum

Back 26

False

Front 27

Ozone in the stratosphere

Back 27

protects life from harmful ultraviolet radiation

Front 28

If you were to take a breath of pure oxygen, you'd be getting about ___ the amount of oxygen you'd get by taking a normal breath of our atmosphere.

Back 28

5x

Front 29

Standing at the top of a tall mountain, a breath of air would contain a lot fewer molecules than a breath of air taken at sea level. But the proportion of oxygen in the two breaths of air, relative to the other constituents, would remain the same.

Back 29

True

Front 30

There is a lot of mixing and overturning of air in which of the following atmosphere layers

Back 30

troposphere